.bcd-widget {
    border: 1px solid #dbe3ef;
    border-radius: 18px;
    padding: 1.25rem;
    background: #f8fafc;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.bcd-widget label {
    font-weight: 700;
    color: #334155;
    display: block;
    margin-bottom: 0.35rem;
}

.bcd-widget input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 0.7rem 0.8rem;
    font-size: 1rem;
    background: white;
}

.bcd-digits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

.bcd-digit-card {
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 0.85rem;
    background: white;
    text-align: center;
}

.bcd-digit-card span {
    display: block;
    color: #64748b;
    font-size: 0.9rem;
}

.bcd-digit-card strong {
    display: block;
    margin-top: 0.25rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
}

.bcd-output-box {
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 14px;
    padding: 0.8rem;
    margin-top: 0.7rem;
}

.bcd-output-box span {
    display: block;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.bcd-output-box strong {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    letter-spacing: 0.06em;
    overflow-wrap: anywhere;
}